Is this a thrust button and can it be removed?

DoctorDiff has everything, he even sells heavy duty billet adjusters for the tapered bearings. Overkill for street use but a nice upgrade if you’re doing AutoX or road race stuff. Some of it is a little harder to find on his website, it used to be the only way to find the heavy duty adjusters was on a drop down if you were ordering axles.
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Boy this is nice to see. Found them on Dr Diff but no pic. Good to see their available. Thanks for the response.